The Geological Environment of the Superior Area, Douglas County, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Geography Precambrian Bedrock Data and Resources WOFR1973-08 The Geological Environment of the Superior Area, Douglas County, Wisconsin Mengel, J.T.; 1973 Report: 119 p. Download Related Collections Open-File Report View Open-File Report
